Bug #4070
open
Cellular Network Infrastructure - Bug #4069: Implement IPA PING/PONG mechanism everywhere
Implement IPA PING/PONG mechanism on RSL and OML
Added by laforge almost 5 years ago.
Updated over 3 years ago.
Description
Let's make sure the RSL and OML links use the IPA PING/PONG mechanism to the BTSs and disconnect if no PONG is received. the interval and timeout should ideally be user(vty)-configurable. It might be that the actual code has to reside in libosmo-abis, not in OsmoBSC itself. Keep in mind that classic E1 BTSs don't have IPA or TCP.
- Related to Bug #4069: Implement IPA PING/PONG mechanism everywhere added
- Assignee deleted (
Hoernchen)
- Status changed from New to In Progress
- Assignee set to osmith
- % Done changed from 0 to 40
Hoernchen already submitted a patch here: https://gerrit.osmocom.org/c/libosmo-abis/+/14743/
I've fixed what was mentioned in the review and tested it. ping/pong shows up properly in wireshark, however, when disconnecting the BTS, it segfaults.
Tested with this config in osmo-bsc.cfg (with short timeout and interval on purpose):
e1_input
e1_line 0 ipakeepalive 1 2
I'll look more into it, and also look into TTCN-3 testing.
- % Done changed from 40 to 70
Segfault is resolved, patch refactored after reviews. Tests remain to be implemented.
- % Done changed from 70 to 80
Patch merged. (Tests still remaining.)
- Status changed from In Progress to Stalled
- Related to Feature #5785: enable either TCP or IPA keep-alive by default added
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